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All Journal JURNAL PEMULIAAN TANAMAN HUTAN
Hamdan Adma Adinugraha
Centre For Forest Biotechnology and Tree Improvement Research and Development Yogyakarta
Agriculture, Biological Sciences & Forestry

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GROWTH OF AXILLARY SHOOTS OF Alstonia scholaris (L.)R. Br. ON DIFFERENT HEIGHT OF HEDGING AND DOSAGES OF NPK FERTILIZER Mashudi Mashudi; Hamdan Adma Adinugraha; Dedi Setiadi; Anita F Ariani
Jurnal Pemuliaan Tanaman Hutan Vol 2, No 2 (2008): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2008.2.2.211-220

Abstract

The aim of this experiment was to investigate the effect of hedging treatment and NPK fertilizer application on shoots production of Alstonia scholaris (L)R.Br. at nursery stage. The experiment was arranged in completely randomized design with two factors. The first factor was the height of hedging, consisted of 3 levels : 20 cm, 30 cm and 40 cm above the ground. The second factor was NPK fertilizer application, consisted of 4 levels : control (0g), 2 g, 4 g and 6 g. The result showed that the height of hedging, dosage of NPK fertilized and their interaction gave significant effect on the new shoots length. The highest shoot length by height of hedging treatment was 23.19 cm (T1) and the treatment of NPK fertilizer dosage was 23.18 cm (P4). The highest shoot length by interaction treatment was 26.87cm (P4T2). The treatment which showed the best average value of all characters was P1T1,  as follows:  number of shoots was 3,75, shoots length was 26,69 cm and number of leaves were 39.
THE GROWTH OF SHOOT CUTTINGS FROM COPPICE SHOOTS OF Eucalyptus pellita F. Muell. SEEDLINGS AR THE NURSERY Hamdan Adma Adinugraha; Sugeng Pudjiono; Dhanang Yudistiro
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 1 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.1.43-49

Abstract

The aim of the experiment was to investigate to success rate of shoot cuttings on by different media and the height of hedging of Eucalyptus pellita F. Muell seedlings. The experiment was arranged in completely randomized design with two factors. The first factor was media compound, consists of 3 levels: sand, coconut husk and mixture of sand +coconut husk (1:1). The second factor was the height of hedging, consist of 4 levels : 5 cm, 10 cm, 15 cm, and 20 cm above the ground. The result showed that the effect the treatment was  significantly affected the success rate of the shoot cuttings. The cuttings from seedlings, which hedged at 15 cm above ground showed the best result. The media that gave the best rooting success was sand river. The average of rooting percentage was 15 - 95%, shoot length was 0,45 cm - 6,29 cm, shoot dry weight was 0,005 g - 0,049 g and volume of root was 0,020 ml - 0,123 ml.
Co-Authors Anita F Ariani Dedi Setiadi Dhanang Yudistiro Mashudi Mashudi Sugeng Pudjiono